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ATtiny13A Datasheet(PDF) 111 Page - ATMEL Corporation |
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ATtiny13A Datasheet(HTML) 111 Page - ATMEL Corporation |
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111 / 174 page  111 8126D–AVR–11/09 ATtiny13A 6. Wait until Vcc actually reaches 4.5 - 5.5V before giving any serialinstructions on SDI/SII. 7. Exit Programming mode by power the device down or by bringing RESET pin to 0V. 17.7.2 High-Voltage Serial Programming Instruction set The instruction set is described in Table 17-13. Table 17-12. High-voltage Reset Characteristics Supply Voltage RESET Pin High-voltage Threshold Minimum High-voltage Period for Latching Prog_enable VCC VHVRST tHVRST 4.5V 12V 100 ns 5.5V 12 100 ns Table 17-13. High-Voltage Serial Programming Instruction Set for ATtiny13A Instruction Instruction Format Operation Remarks Instr.1/5 Instr.2/6 Instr.3 Instr.4 Chip Erase SDI SII SDO 0_1000_0000_00 0_0100_1100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_0100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_1100_00 x_xxxx_xxxx_xx Wait after Instr.3 until SDO goes high for the Chip Erase cycle to finish. Load “Write Flash” Command SDI SII SDO 0_0001_0000_00 0_0100_1100_00 x_xxxx_xxxx_xx Enter Flash Programming code. Load Flash Page Buffer SDI SII SDO 0_ bbbb_bbbb _00 0_0000_1100_00 x_xxxx_xxxx_xx 0_eeee_eeee_00 0_0010_1100_00 x_xxxx_xxxx_xx 0_dddd_dddd_00 0_0011_1100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0111_1101_00 x_xxxx_xxxx_xx Repeat after Instr. 1 - 5 until the entire page buffer is filled or until all data within the page is filled. See Note 1. SDI SII SDO 0_0000_0000_00 0_0111_1100_00 x_xxxx_xxxx_xx Instr 5. Load Flash High Address and Program Page SDI SII SDO 0_0000_000a_00 0_0001_1100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_0100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_1100_00 x_xxxx_xxxx_xx Wait after Instr 3 until SDO goes high. Repeat Instr. 2 - 3 for each loaded Flash Page until the entire Flash or all data is programmed. Repeat Instr. 1 for a new 256 byte page. See Note 1. Load “Read Flash” Command SDI SII SDO 0_0000_0010_00 0_0100_1100_00 x_xxxx_xxxx_xx Enter Flash Read mode. Read Flash Low and High Bytes SDI SII SDO 0_bbbb_bbbb_00 0_0000_1100_00 x_xxxx_xxxx_xx 0_0000_000a_00 0_0001_1100_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_1000_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0110_1100_00 q_qqqq_qqqx_xx Repeat Instr. 1, 3 - 6 for each new address. Repeat Instr. 2 for a new 256 byte page. SDI SII SDO 0_0000_0000_00 0_0111_1000_00 x_xxxx_xxxx_xx 0_0000_0000_00 0_0111_1100_00 p_pppp_pppx_xx Instr 5 - 6. Load “Write EEPROM” Command SDI SII SDO 0_0001_0001_00 0_0100_1100_00 x_xxxx_xxxx_xx Enter EEPROM Programming mode. |
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